$OpenBSD: patch-Wnn_uum_setutmp_c,v 1.1 2015/07/25 16:47:12 espie Exp $
--- Wnn/uum/setutmp.c.orig	Fri Jul 24 10:42:23 2015
+++ Wnn/uum/setutmp.c	Fri Jul 24 10:42:49 2015
@@ -49,6 +49,7 @@
 /*	Version 4.0
  */
 #include <stdio.h>
+#include <string.h>
 #include <sys/types.h>
 #include <utmp.h>
 #include <pwd.h>
